SIMD vs no SIMD on i686

Ralf Corsepius rc040203 at freenet.de
Wed Jul 20 11:46:09 CEST 2016


On 07/19/2016 02:26 PM, Nicolas Chauvet wrote:

>> As I state before, I think, even in this case, x264 asm code, have a
>> fall back when don't have sse2 instructions and don't crash, that is my
>> point, but just testing to be sure. I don't see any hardware here to
>> test it, even though it is a big challenge try install Fedora 24 in
>> a non-sse2 capable cpu .
Well, it's not easy to install F24, but it's doable.

> You could setup a x86 32bit virtual machine using KVM install fedora,
> then mask cpu, or use pentium 3 as a CPU for the guest vm and reboot.
I do have a PIII (w/o sse3) running F24.

Ralf


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